Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
26243449Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 270
P-1
B1 = 933000
B2 = 48804000
LL
StatusDateUserResidueShift
Verified2005-07-17Steve Graham56B30C64C35D012123752445
Verified2012-01-02Erich O56B30C64C35D012118747155
History
DateUserTypeResult
2021-12-17Dylan DelgadoNF-PM1
B1=933000, B2=48804000
2021-10-17TheJudgerNF
no factor from 2^74 to 2^75
2021-09-30TheJudgerNF
no factor from 2^73 to 2^74
2021-08-26TheJudgerNF
no factor from 2^72 to 2^73
2021-08-26TheJudgerNF
no factor from 2^71 to 2^72
2021-04-16mikrNF
no factor from 2^70 to 2^71
2017-04-05ramgeisNF
no factor from 2^69 to 2^70
2012-01-02Erich OC-LL
56B30C64C35D0121
2011-12-20Roy OswaldNF
no factor from 2^68 to 2^69
2011-10-16ChuckNF
no factor from 2^67 to 2^68